Solve the problem.A rectangular sheet of perimeter 27 cm and dimensions x cm by y cm is to be rolled into a cylinder as shown in part (a) of the figure. What values of x and y give the largest volume?
A. x = 11 cm; y = cm
B. x = 8 cm; y = cm
C. x = 9 cm; y = cm
D. x = 10 cm; y = cm
Answer: C
Mathematics
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Find all integer square roots of the given number, if possible.100
A. No integer square roots B. 10 C. 50 D. -10,10
Mathematics
Solve the problem.A barge takes 6 hours to move (at a constant rate) downstream for 60 miles, helped by a current of 2 miles per hour. If the barge's engines are set at the same pace, find the time of its return trip against the current.
A. 120 hours B. 10 hours C. 6 hours D. 8 hours
Mathematics
Identify the specified angles.Identify all interior angles.
A. ?1, ?4 , ?5, and ?8 B. ?1, ?2 , ?7, and ?8 C. ?2, ?3 , ?6, and?7 D. ?1, ?6, ?3, and ?5
Mathematics
Solve the equation.(3m - 6)2 + 6(3m - 6) + 8 = 0
A.
B.
C.
D.
Mathematics